Opel GT Concept for Geneva is an Ultra-Lightweight Sports CarRWD concept weighs less than 2,200 pounds.Paul HorrellWriterManufacturerPhotographerJan 27, 2016See All 4 Photos4 See All 4 Photos4 See All 4 Photos4 See All 4 Photos4 See All 4 Photos4 See All 4 Photos4 Paul HorrellShare